public void removeAndAddSprite(float dt)
{
CCSpriteBatchNode batch = (CCSpriteBatchNode)(GetChildByTag((int)kTags.kTagSpriteBatchNode));
CCSprite sprite = (CCSprite)(batch.GetChildByTag((int)kTagSprite.kTagSprite5));
batch.RemoveChild(sprite, false);
batch.AddChild(sprite, 0, (int)kTagSprite.kTagSprite5);
}